

.markdown-source-view.mod-cm6 hr,
.markdown-rendered hr {
  border: none;
  height: 1px;
  background: linear-gradient(to right, #1E1E1E00, #d2d5d9, #1E1E1E00);
  margin: 2em -2em;
}

div:has(hr) + div:has(p)>p {
  position: absolute;
  inset-inline-start: 45%;
  background-color: var(--define-background-color);
  transform: translate(-50%, -220%);
  overflow: hidden;  
  white-space: pre;
  margin-top: 16px !important;
}